TV Repair: Common Faults and Solutions.
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Results: 87576
Results: 87576
Repair Guide: Common Issues and Fixes
| Brand | Model | Fault | Detailed Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS | 32PFL7606 | Dark blue screen no image has sound | Leaky capacitors on the v-com board | Replace smd capacitors | cleberlima rs |
| SONY | MHC-EX8BR | Doesn't start, totally dead | C302 shorted | Replace c302 | Carlossbs |
| SEMP | TV2134[B] SL SK-1 | Excess brightness. Does not activate the menu. | Capacitor 250v x 4.7uf . | Replace capacitor 250v x 4.7 for 250vx 22μF, obs= 4.7 doesn't usually work anymore!!! | eletrônica própria |
| LG | 29FX5CL | Missing one of the colors and after a few minutes it was normal | It was just adjusting the screen | If this TV has a slightly unregulated screen, one of the colors is missing. | Luan LG Philips |
| CCE | LK32G | It doesn't turn on... the voltage of 5 volts is normal... I noticed when activating the pow-on, that the 12v was low. | TL431 regulator leaky...this one is connected to the 12v line through an SMD resistor. | Touch the regulator! and run to success! | José técnico |
| CCE | LK42D | Turns on and off +- 10sec (goes into protection) | R 15 10k , por 100k | ||
| PHILCO | PH40R86DSGW | When turned on, it appears as normal, brightly lit... after that the image becomes very dark, you can only see the image with the ambient light turned off. | 4 defective LED bars, each ruler with a burned out LED! | José técnico | |
| SAMSUNG | LN22B450 | Flashing standby power on | Change sound ci | Replace it | Fernando RJ |
| SAMSUNG | LN22B450 | League without image | Change inverter oscillator | Replace it | Fernando |
| CCE | LK32D | Turns on and off +- 10sec (goes into protection) | R 15 10k , por 100k | ||
| PHILIPS | 21PT5435 | Don't call, sometimes you do! | C2524 2.2 100v burst or leak | Replace it and that's it | orlando lott |
| CINERAL | 21PCIN 0305 | Closed and inverted screen | Tip arock hit.. | Replaced the 301 for another... I didn't have a 4001 and replaced it with the 4004 | Mauro |
| SAMSUNG | UN32D4000 | LED blinking, non-stop, when you disconnect the harness from the power supply to the main, the backlight comes on normally. | Qm852, with fulga, k72, mosfet n, change, cto q activates +12. I took it out of scrap and it worked | I got this tip and it worked thanks joaomvjr | beto2828 |
| TOSHIBA | TV2157BFS LEM7FS2A | Can't tune TV channels | Defective varicap | I put other varicaps and the TV was very good again, observation, I put the varicap from the u18 | Reis eletrônica |
| LG | 32LH70YD EAX58518501(6) | No audio or no sound | Cleaning the flat connection cable between the signal board and processor board | Cleaning flat board connection cable | SERGIO FATEC ELETRONICA |
| PANASONIC | TCHAU 14C6 | Dead power supply, charging power supply capacitor. | Resistor r803 470k aberto | Eletronica futuro | |
| VESTEL | 17PW20 17PW20 | Fails at 3.3v and 5v | Check d807(ba159) | To replace | Mário Martins |
| VESTEL | 17PW20 17PW20 | Doesn't work | Leak in fet q813, q814 or in c877, c878 (12nf/630v) | Replace leaking components | Mário Martins |
| VESTEL | 17PW20 17PW20 | Doesn't work | Glue driving under the c910 and c909 | Clean glue | Mário Martins |
| VESTEL | 17PW20 17PW20 | Doesn't work | Ic802(irf7314) shorted, short between pin 3 and gnd | Replace ic802 | Mário Martins |